Bulk Pak Nylon Washers - 1/4", Pack of 100 from FASCO FASTENERS
These washers are white nylon for cushioning.

Teak Plugs - 3/8" from SEAFIT
Use these teak plugs to cover screw heads or fill small holes for a beautiful smooth finish to your installation. Sizes: 1/4" 5/8" 5/16" 3/8" 1/2" 1".

Bronze Threaded Nipple, 3/4" Pipe, Close Length from GROCO
Bronze plumbing fittings.

Small Bronze Ball Valves with Brass Ball, 3/8" NPT from APOLLO
Free-floating, chrome-plated brass ball. NPT threads. Stainlesssteel handle. Note: These are for inline, non-saltwater applications.

101 Polysulfide Marine Sealant - White, 10 OZ from 3M PRODUCTS
Adhesive/sealant for a wide variety of materialsOne-part polysulfide product seals joints between similar and dissimilar surfaces wood, fiberglass, metal and glass above and below the waterline. Non-sagging, non-shrinking and permanently flexible. Excellent resistance to weathering. White. Recommended Usage: Seals mechanically fastened joints, above or below water; fiberglass, wood, metal, most plastics. Cure Time: Tack free: 5 hrs; complete cure in 14-21 days; remains permanently flexible.

Marine Silicone Sealant, Clear, 10oz. Tube from WEST MARINE
Use wherever a flexible, removable seal is required A specially-formulated marine silicone that won’t sag, shrink or turn yellow. Can be used above and below the waterline wherever a flexible, removable seal is required. Excellent for bedding deck fittings and hardware that you may want to remove at some time. Also good for insulating between dissimilar metals to prevent galvanic corrosion. Formulation: One-part silicone sealant . Bonds to non-oily woods, metal, fiberglass, glass, plastics .